搜索资源列表
Image-information-calculator
- 自己做的一个图像信息计算器,实现一张图像的各种信息计算,包括均值方差信息熵等,还有两张图像之间的加减乘除运算等,便于搞图像分析的朋友们计算分析问题-Own image information calculator, a variety of information to achieve an image, including the information entropy of the mean-variance between the two images, Math computing ea
MaximumEntropy_OtsuThreshold
- 这是一个文献内的算法，将最大类间方差法和最大熵法相结合，得到的算法比单独一种算法效果好的多。-The algorithm isproposed by a literature , it is much better than a single kind of algorithm by combining the Otsu method and maximum entropy.
Digital-Image-Processing
- C#编写，实现基本图像处理功能，包括计算均值、方差、协方差、相关系数、熵等，以及IHS变换、逆变换、直方图均衡、IHS融合、Brovey融合、Fourier变换、逆变换、各种植被指数计算等-Written in C#, basic image processing functions, including the calculation of the mean, variance, covariance, correlation coefficient, entropy, and IHS tra
single
- 求解图像的平均灰度，平均方差，灰度级别、信息熵-Solving the average gray image, the average variance, gray level, information entropy
histogram_features
- 求灰度直方图统计特征，包括熵、均值、方差等- gray histogram feactures
quality--index-of-image
- 此文档中的代码可以计算5种图像的质量参数，分别是：图像灰度均值、图像方差、图像平均梯度、熵和峰值信噪比及均方误差。-The code in this document can be calculated five kinds of image quality parameters, namely: the image gray value, image variance, average gradient image, entropy and peak signal to noise ratio
sige
- matlab图像处理中，双图像的总体属性参数灰度均值 总熵值 方差计算代码-matlab image processing, the dual image of the overall total entropy attribute parameter mean gray value variance calculation code
meanandvariance
- 计算一幅灰度图像的灰度均值，方差，能量和熵。-Calculating a grayscale image gray value, variance, energy and entropy.
source
- 输入信号为方波信号+高斯白噪声，方波信号基 频为1kHz，幅值为1，高斯白噪声方差为0.2， 均值为0，采样频率为20kHz。试用最大熵估计 法估计此信号的AR模型及其功率谱，并分析结 果-The input signal is a square wave signal+ Gaussian white noise, square wave signal fundamental frequency 1kHz, amplitude is a Gaussian white noise variance
Imagequalityevaluation
- 包含了主要的图像质量评价的matlab源程序。图像熵，图像的方差和，以及基于边缘检测算子的质量评价函数。-Contains the main image quality evaluation of the matlab source code. Image entropy, variance and images, as well as edge detection operator based on the quality of the evaluation function.
统计
- 计算图像直方图的统计特征，包括均值，方差，熵，三阶矩等。-image histogram calculated the statistical characteristics, including mean, variance, entropy, such as third-order moments.
shang
- 信源的信息熵H是从整个信息缘的统计特性来考虑的。它是从评价意义上来表征信息源的总体特征的。代码涵盖了图像的熵、灰度平均值、灰度中值、方差- The entropy H is the source of information from the statistical characteristics of the edge to be considered. It came from the evaluation of significance to characterize the gene
evaluatefusion
- 图像质量评价客观指标熵、相关系数、均值、方差的计算代码-Image quality evaluation factor entropy, correlation coefficient, mean, variance calculation
ICA
- ICA独立分量分析，通过协方差白化，熵编码算法。-ICA, through covariance albino, entropy coding algorithm.
glcm
- 基于灰度共生矩阵的图像特征提取,包括熵、相关性、标准差及方差-Image feature extraction based on GLCM，including entropy, correlation, standard deviation and variance
spectrum-estimation
- 功率谱估计是利用有限长的数据估计信号的功率谱，广泛应用于各个领域。功率谱估计主要分为经典谱估计与现代谱估计。常用的经典谱估计方法有周期图法，相关法，周期图的改进法，常用的现代谱估计方法有最大熵谱估计，AR模型，MA模型，ARMA模型。经典谱估计适用于长序列的信号，其主要缺陷是描述功率谱波动的数字特征方差性能差，频率分辨率低，现代谱估计适用于短序列的信号，旨在改善谱估计的分辨率，并将其应用于实际地震资料的谱分析。 -Power spectrum estimation is the use of
segmention
- 针对图像的各种阈值分割算法。迭代，otsu，最大熵，类间最大距离法，最大类内类间方差比法等-Segmentation algorithm for various thresholds of the image. Iteration between otsu, maximum entropy, maximum class distance method, among the largest category within the class variance ratio method
Speech-endpoint-detection
- 双门限法,双门限法的改进和推广,相关法的端点检测,方差法的语音端点检测,谱距离法的端点检测，谱熵在端点检测中的应用-Double threshold method, double threshold method improvement and promotion, endpoint detection correlation method, endpoint detection variance method, the endpoint detection spectral distance
image-quality-evaluation
- 该matlab代码主要用于计算图像的边缘强度，信息熵，灰度均值，标准差(均方差MSE)，均方根误差，峰值信噪比（psnr），空间频率(sf)，图像清晰度，互信息(mi)，结构相似性(ssim)，交叉熵(cross entropy)，相对标准差。- calculate the uation average gradient, edge strength, information entropy, gray are Value, standard deviation (mean square er
matlab
- 基于yule_walker,burg,协方差，改进协方差，最大熵方法这五种算法的matlab程序，并且是一个周期正弦信号与高斯白噪声的模型-Yule_walker, burg, covariance, improved covariance method of maximum entropy algorithm matlab these five programs, and is a periodic sinusoidal signal with Gaussian white noise mod